Retrospective studies of horizontal mergers have focused on their price effects, leaving the important question of how mergers affect product quality largely unanswered. This paper empirically investigates this issue for two recent airline mergers: Delta/Northwest and Continental/United....

Analysts of air travel markets, which include antitrust authorities, are interested in understanding the extent to which the presence of intermediate stop(s) products influences the pricing of nonstop products. This paper uses a structural econometric model to investigate the potential pricing...

This study examines the relationship between competition and investment by Incumbert Local Exchange Carriers (ILECs) in US telecommunications markets. A panel data model and a dynamic panel data model that have not been used in previous studies are applied in this analysis. Results of the panel...